Browsing by Author "Latreche Meriem"

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    L'usage de l'hydrochimie et des isotopes stables de la molecule d'eau,2H et 180, a la caracterisation de I'aquiferes des Aures
    (Université Abbes Laghrour -Khenchela-, 2015-06) Latreche Meriem; Malltia Sabrina
    Abstract Nowdays the enviromnent is threatened by the salinity of the water and the soil, which presents itself as a form of natural pollution much more accentuated by anthropogenic activity, namely the use of chemical fertilizers, irrigation and sewage infiltration. The main aquifer is contained in the Mio-Pliocene-Quaternary filling multilayer system of superficial and deep layers. The hydrochemical approach revealed a mixed facies; namely, calcium bicarbonate in outcrops that evolved into the chlorinated sodic waters. Multivariate statistical analysis was able to identify the origin of the salinity of the water by dissolution of evaporite rocks gypsiferous and licks as well as water pollution. Finally the contribution of stable isotopes of the water molecule, deuterium and 18 Oxygen, have highlighted the meteoric recharge origin.